Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van gioi can snippets" » "van gioi code snippets", "van giai can snippets", "vien gioi can snippets", "luan gioi can snippets", "van gioi van snippets", "van gioi cam snippets", "van gioi cau snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("van gioi can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van gioi can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( van gioi can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van gioi can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.